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ASTM F2476-24

Current Revision

Standard Test Method for the Determination of Carbon Dioxide Gas Transmission Rate (CO<inf >2</inf>TR) Through Barrier Materials Using an Infrared Detector

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1.1 This method covers a procedure for determination of the steady-state rate of transmission of carbon dioxide gas through plastics in the form of film, sheeting, laminates, coextrusions, or plastic-coated papers or fabrics. It provides for the determination of (1) carbon dioxide gas transmission rate (CO2TR), (2) the permeance of the film to carbon dioxide gas (PCO2), and (3) carbon dioxide permeability coefficient (P’CO2) in the case of homogeneous materials. This method is quantitative and has been demonstrated by the enclosed ILS to be effective for measuring materials from 56.7 cc/(m2 × day) to 331 cc/(m2 × day).

1.2 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.

1.3 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.


5.1 Carbon dioxide gas transmission rate (CO2TR) is an important determinant of the packaging protection afforded by barrier materials. It is not, however, the sole determinant, and additional tests, based on experience, must be used to correlate packaging performance with CO2TR. It is suitable as a referee method of testing, provided that purchaser and seller have agreed on sampling procedures, standardization procedures, test conditions and acceptance criteria.

SDO ASTM: ASTM International
Document Number F2476
Publication Date Dec. 15, 2024
Language en - English
Page Count 6
Revision Level 24
Supercedes
Committee F02.10
Publish Date Document Id Type View
Dec. 15, 2024 F2476-24 Revision
June 1, 2020 F2476-20 Revision
Dec. 15, 2013 F2476-13 Revision
May 1, 2005 F2476-05 Revision